Add instructions for enabling GitHub mode in MyCoder

- Added 'mycoder config set githubMode true' instructions to all OS guides
- Explained the benefits of enabling GitHub mode
- Added verification command

Author: bhouston

docs/getting-started/linux.md

@@ -94,6 +94,20 @@ This guide will help you set up MyCoder on Linux.
    - Manage GitHub workflows
 
    This is especially useful if you plan to contribute to MyCoder or related projects.
+   
+   **Enable GitHub Mode in MyCoder**:
+   
+   After installing the GitHub CLI, enable GitHub mode in MyCoder for enhanced GitHub integration:
+   
+   ```bash
+   # Enable GitHub mode
+   mycoder config set githubMode true
+   
+   # Verify configuration
+   mycoder config get githubMode
+   ```
+   
+   With GitHub mode enabled, MyCoder can create issues, branches, and pull requests directly through the GitHub CLI.
 
 ## Installation
 

docs/getting-started/macos.md

@@ -95,6 +95,20 @@ This guide will help you set up MyCoder on macOS.
    - Manage GitHub workflows
 
    This is especially useful if you plan to contribute to MyCoder or related projects.
+   
+   **Enable GitHub Mode in MyCoder**:
+   
+   After installing the GitHub CLI, enable GitHub mode in MyCoder for enhanced GitHub integration:
+   
+   ```bash
+   # Enable GitHub mode
+   mycoder config set githubMode true
+   
+   # Verify configuration
+   mycoder config get githubMode
+   ```
+   
+   With GitHub mode enabled, MyCoder can create issues, branches, and pull requests directly through the GitHub CLI.
 
 ## Installation
 

docs/getting-started/windows.md

@@ -56,6 +56,20 @@ This guide will help you set up MyCoder on Windows.
    - Manage GitHub workflows
    
    This is especially useful if you plan to contribute to MyCoder or related projects.
+   
+   **Enable GitHub Mode in MyCoder**:
+   
+   After installing the GitHub CLI, enable GitHub mode in MyCoder for enhanced GitHub integration:
+   
+   ```
+   # Enable GitHub mode
+   mycoder config set githubMode true
+   
+   # Verify configuration
+   mycoder config get githubMode
+   ```
+   
+   With GitHub mode enabled, MyCoder can create issues, branches, and pull requests directly through the GitHub CLI.
 
 ## Installation